Home / 90,037.66-124,250.30-49,750.57

Finding the Fourth Proportional to 90,037.66, 124,250.30 and 49,750.57

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Solution

The fourth proportional to 90,037.66, 124,250.30 and 49,750.57 is: 68,654.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,037.66 : 124,250.30 = 49,750.57 : x
  2. Step 2: Convert to fraction form
    90,037.66/124,250.30 = 49,750.57/x
  3. Step 3: Cross multiply
    90,037.66x = 124,250.30 × 49,750.57
  4. Step 4: Simplify right side
    90,037.66x = 6,181,523,096.46
  5. Step 5: Solve for x
    x = 6,181,523,096.46/90,037.66
  6. Step 6: Final answer
    x = 68,654.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.